Explain how parathyroid hormone increases blood calcium level
What will be an ideal response?
Parathyroid hormone (PTH) increases blood calcium levels by increasing calcium release from bones, increasing reabsorption of calcium from the blood by the kidneys, and increasing the production of calcitriol by the kidneys, which increases absorption of calcium from the digestive tract.
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Which salivary gland empties into the oral vestibule at the level of the second upper molar?
A. Maxillary B. Sublingual C. Palatine D. Parotid E. Submandibular
Which sequence correctly traces the visual pathway followed by the majority of axons? a: Optic nerveb: Optic chiasmc: Occipital lobed: Lateral geniculate nucleus of thalamus
A. c, a, b, d B. a, b, d, c C. a, d, c, b D. b, a, d, c E. a, b, c, d
Protein digestion begins in the ________
A) Small intestine B) Stomach C) Large intestine D) Mouth
Succinctly explain how ocean acidification can affect the behavior of fish, such as the orange clownfish (Amphiprion percula)
What will be an ideal response?